Organic electroluminescent materials and devices
US10680184B2 · kind B2 · utility
1Cited by
35References
19Claims
0Family size
Assignee
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Key dates
| Filing date | Jun 14, 2017 |
| Grant date | Jun 9, 2020 |
| Priority date | — |
| Expiry date | Aug 16, 2037 |
Classification
- Technology area (CPC H)Electricity
- CPC primaryH10K2101/10
- WIPO fieldBasic materials chemistry
- WIPO sectorChemistry
Abstract
The present application includes novel containing xanthene and spiro dixanthene ring structures and alkylated variants thereof. These compounds are useful as host materials with high triplet energies for phosphorescent electroluminescent devices.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.